Progressive waves
 

Progressive waves problem 34


A cathode-ray oscilloscope (CRO) is connected to a microphone which detects sound of constant frequency. The trace on the screen of the CRO is shown.




Which property of the sound wave is measured using only information from the CRO?


  • amplitude


  • period


  • speed


  • wavelength


 

main author and content editor: Daniel Owoyomi